Name: jtC48319			Date: 06/17/98


Steps to recreate problem.

This is a simple program that changes the 
backroung color of the frame.  You have two 
options; yellow and blue.

Press 'y' for yellow and 'b' for blue.
Nothing happens.  If you click the buttons with
the mouse, everythings works as expected.  It
appears that the frame can never regain focus to
accept key event(as defined in Core Java 1.1
Foundations).  I tried to get the focus for the 
frame by using the requestFocus() method, but it
does nothing(which I noticed was already reported).

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Here is the code:

import java.awt.*;
import java.awt.event.*;

public class ButtonTest extends Frame
{

public ButtonTest()
{
  addWindowListener(new WindowAdapter()
  {
   public void windowClosing(WindowEvent e)
   {System.exit(0);}
  } );

  setSize(300, 200);
  setTitle("Button Test");
  setLayout(new FlowLayout());

  //Create button, add event handler, and add to frame
  Button yellow = new Button("Yellow");
  yellow.addActionListener(new ActionListener()
  {
   public void actionPerformed(ActionEvent e)
   {setBackground(Color.yellow);}
  } );
  add(yellow);

  //Create button, add event handler, and add to frame
  Button blue = new Button("Blue");
  blue.addActionListener(new ActionListener()
  {
   public void actionPerformed(ActionEvent e)
   {setBackground(Color.blue);}
  } );
  add(blue);

  //I can never pass through this callback,
  //the frame never seems to have focus    
  addKeyListener(new KeyAdapter()
  {
   public void keyTyped(KeyEvent e)
   { ButtonTest.this.keyTyped(e); }
  } );

  //Tried using this method to gain focus for frame
  //but it does not work.
  requestFocus();
}

public void keyTyped(KeyEvent evt)
{
  char keyChar = Character.toLowerCase(evt.getKeyChar());
  if (keyChar == 'y') setBackground(Color.yellow);
  if (keyChar == 'b') setBackground(Color.blue);
}

public static void main(String args[])
{
  Frame f = new ButtonTest();
  f.show();
}

}
(Review ID: 25346)
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